<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <link rel="stylesheet" href="./css/index.css" />
  </head>
  <body>
    <div class="container">
      <ul class="top">
        <!-- 基础模板 -->
        <!-- <li>
      <a href="javascript:;">首页</a>
      <ul class="sub">
        <li>
          <a href="javascript:;">
            <span>砂锅厨具</span>
            <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView" alt="">
          </a>
        </li>
      </ul>
    </li> -->
      </ul>
    </div>
    <script src="./axios.js"></script>
    <!-- <script src="./index.js"></script> -->
    <script>
      axios.defaults.baseURL = 'http://ajax-api.itheima.net'
      const list = document.querySelector('.top')
      axios({
        method: 'GET',
        url: '/api/category/top',
      })
        .then(({ data: res }) => {
          console.log(res)
          const axiosArr = res.data.map((item) => {
            return axios({
              url: '/api/category/sub?id=' + item.id,
              method: 'GET',
            })
          })
          return Promise.all(axiosArr)
        })
        .then((res) => {
          const html = res
            .map(({ data: item }) => {
              return `<li>
      <a href="javascript:;">${item.data.name}</a>
      <ul class="sub">
        ${item.data.children
          .map((item) => {
            return `
        <li>
          <a href="javascript:;">
            <span>${item.name}</span>
            <img src="${item.picture}" alt="">
          </a>
        </li>     
          `
          })
          .join('')}
      </ul>
    </li>`
            })
            .join('')
          list.innerHTML = html
        })
    </script>
  </body>
</html>
